Weather statistics for Seattle, Washington (United States)
Seattle NMFC WA weather station: 6 m.a.s.l., 5.0 km away from Seattle
Average temperature per month
Explaination to the graph:
Max temperature: Average max daily (24h) temperature per month
Minimum temperature: Average minimum daily (24h) temperature per month
Average temperature: Average daily (24h) temperature per month.
The temperature normals are measured in the period 1961–1990.
Les mer om normaler her
Source: WMO
Max temperature: Average max daily (24h) temperature per month
Minimum temperature: Average minimum daily (24h) temperature per month
Average temperature: Average daily (24h) temperature per month.
The temperature normals are measured in the period 1961–1990.
Les mer om normaler her
Source: WMO
Average days with precipitation per month
The graph shows average amount of days (24h) with precipitation during a month. When precipitation has surpassed 1mm per day (24h) it is defined as a day with precipitation. The mean period is 1961–1990.
Source: WMO
Source: WMO
| Temperature | Precipitation | |||
|---|---|---|---|---|
| Months | Normal | Warmest | Coldest | Normal |
| January | 5.2°C | 7.8°C | 2.4°C | 15 |
| February | 6.8°C | 10.3°C | 3.3°C | 12 |
| March | 8.1°C | 12.1°C | 4.2°C | 13 |
| April | 10.2°C | 14.5°C | 5.9°C | 10 |
| May | 13.4°C | 17.9°C | 8.8°C | 7 |
| June | 16.3°C | 20.9°C | 11.8°C | 6 |
| July | 18.5°C | 23.4°C | 13.6°C | 4 |
| August | 18.7°C | 23.4°C | 14.0°C | 4 |
| September | 16.0°C | 20.4°C | 11.6°C | 6 |
| October | 11.9°C | 15.6°C | 8.3°C | 10 |
| November | 7.9°C | 10.8°C | 5.0°C | 15 |
| December | 5.3°C | 7.9°C | 2.8°C | 15 |

